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Finding the Fourth Proportional to 6,393.94, 8,823.63 and 4,038.05

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Solution

The fourth proportional to 6,393.94, 8,823.63 and 4,038.05 is: 5,572.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.94 : 8,823.63 = 4,038.05 : x
  2. Step 2: Convert to fraction form
    6,393.94/8,823.63 = 4,038.05/x
  3. Step 3: Cross multiply
    6,393.94x = 8,823.63 × 4,038.05
  4. Step 4: Simplify right side
    6,393.94x = 35,630,296.32
  5. Step 5: Solve for x
    x = 35,630,296.32/6,393.94
  6. Step 6: Final answer
    x = 5,572.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.